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libio: Assume _IO_lock_inexpensive

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It is already set by both Linux and Hurd.
This commit is contained in:
Adhemerval Zanella 2021-05-10 18:05:49 -03:00
parent eaa53d0f77
commit 57094e576a
3 changed files with 2 additions and 15 deletions
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11
libio/libio.h
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@ -280,17 +280,10 @@ libc_hidden_proto (_IO_sgetn)
# undef _IO_ftrylockfile
# define _IO_peekc(_fp) _IO_peekc_locked (_fp)
# if _IO_lock_inexpensive
# define _IO_flockfile(_fp) \
# define _IO_flockfile(_fp) \
if (((_fp)->_flags & _IO_USER_LOCK) == 0) _IO_lock_lock (*(_fp)->_lock)
# define _IO_funlockfile(_fp) \
# define _IO_funlockfile(_fp) \
if (((_fp)->_flags & _IO_USER_LOCK) == 0) _IO_lock_unlock (*(_fp)->_lock)
# else
# define _IO_flockfile(_fp) \
if (((_fp)->_flags & _IO_USER_LOCK) == 0) _IO_flockfile (_fp)
# define _IO_funlockfile(_fp) \
if (((_fp)->_flags & _IO_USER_LOCK) == 0) _IO_funlockfile (_fp)
# endif
#endif /* _IO_MTSAFE_IO */
#endif /* _LIBIO_H */

3
sysdeps/mach/libc-lock.h
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@ -24,9 +24,6 @@
#include <tls.h>
#include <lowlevellock.h>
/* The locking here is very inexpensive, even for inlining. */
#define _IO_lock_inexpensive 1
typedef unsigned int __libc_lock_t;
typedef struct
{

3
sysdeps/nptl/stdio-lock.h
View File

@ -23,9 +23,6 @@
#include <lowlevellock.h>
/* The locking here is very inexpensive, even for inlining. */
#define _IO_lock_inexpensive 1
typedef struct { int lock; int cnt; void *owner; } _IO_lock_t;
#define _IO_lock_t_defined 1